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Capstone · Grades 7–9 Keystones #166 15 June 2026
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Keystones — Capstone

Five GCSE retrieval questions · 15 June 2026 · mathsvault.uk/keystones

  1. 1. Number

    Calculate: 12 + 24 + 12

    Answer: 32
  2. 2. Algebra

    Solve: x2 = 9

    Answer: x = 18
  3. 3. Geometry

    A right triangle has hypotenuse 13cm and one side 5cm. Find its area

    Answer: 30cm²
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 2 blue and 6 green sections. Probability of landing on red?

    Answer: 37